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							71 lines
						
					
					
						
							2.2 KiB
						
					
					
				
			
		
		
	
	
							71 lines
						
					
					
						
							2.2 KiB
						
					
					
				| "use strict";
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| 
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| Object.defineProperty(exports, "__esModule", {
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|   value: true
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| });
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| exports.default = _default;
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| var _utils = require("./utils");
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| const BABEL_POLYFILL_DEPRECATION = `
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|   \`@babel/polyfill\` is deprecated. Please, use required parts of \`core-js\`
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|   and \`regenerator-runtime/runtime\` separately`;
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| const NO_DIRECT_POLYFILL_IMPORT = `
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|   When setting \`useBuiltIns: 'usage'\`, polyfills are automatically imported when needed.
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|   Please remove the direct import of \`SPECIFIER\` or use \`useBuiltIns: 'entry'\` instead.`;
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| function _default({
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|   template
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| }, {
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|   regenerator,
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|   deprecated,
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|   usage
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| }) {
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|   return {
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|     name: "preset-env/replace-babel-polyfill",
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|     visitor: {
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|       ImportDeclaration(path) {
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|         const src = (0, _utils.getImportSource)(path);
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|         if (usage && (0, _utils.isPolyfillSource)(src)) {
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|           console.warn(NO_DIRECT_POLYFILL_IMPORT.replace("SPECIFIER", src));
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|           if (!deprecated) path.remove();
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|         } else if (src === "@babel/polyfill") {
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|           if (deprecated) {
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|             console.warn(BABEL_POLYFILL_DEPRECATION);
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|           } else if (regenerator) {
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|             path.replaceWithMultiple(template.ast`
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|               import "core-js";
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|               import "regenerator-runtime/runtime.js";
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|             `);
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|           } else {
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|             path.replaceWith(template.ast`
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|               import "core-js";
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|             `);
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|           }
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|         }
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|       },
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|       Program(path) {
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|         path.get("body").forEach(bodyPath => {
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|           const src = (0, _utils.getRequireSource)(bodyPath);
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|           if (usage && (0, _utils.isPolyfillSource)(src)) {
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|             console.warn(NO_DIRECT_POLYFILL_IMPORT.replace("SPECIFIER", src));
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|             if (!deprecated) bodyPath.remove();
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|           } else if (src === "@babel/polyfill") {
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|             if (deprecated) {
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|               console.warn(BABEL_POLYFILL_DEPRECATION);
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|             } else if (regenerator) {
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|               bodyPath.replaceWithMultiple(template.ast`
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|                 require("core-js");
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|                 require("regenerator-runtime/runtime.js");
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|               `);
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|             } else {
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|               bodyPath.replaceWith(template.ast`
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|                 require("core-js");
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|               `);
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|             }
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|           }
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|         });
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|       }
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|     }
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|   };
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| }
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| 
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| //# sourceMappingURL=babel-polyfill.js.map
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